First, you use the colored circle emojis or the red X and O emoji to set up a game board. This may involve the use of dashes or other extraneous punctuation marks. Once you make the first move, the person you're playing against copies and pastes the board as their response, adding in another emoji every time it's their "move."

Here's what it looks like in action:

Screenshot/Bro Bible

If the guy wins, he asks for the girl's phone number. And if he loses, he'll probably still ask for the girl's phone number by saying he owes her drinks or dinner.